For the given ketone IUPAC name has to be assigned. Concept Introduction: For naming a ketone in IUPAC nomenclature , the suffix “-one” is added to the parent alkane name. IUPAC rules for naming a ketone: • The longest parent carbon chain is identified that includes the carbonyl group. • The parent chain name is changed by replacing the suffix “-e” with “-one”. • Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name. • The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name. • Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1. In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

Question

Identify the missing starting materials/ reagents/ products in the following reactions. Show the stereochemistry clearly in the structures, if any. If there is a major product, draw the structures of the major product with stereochemistry clearly indicated where applicable. Show only the diastereomers (you do not have to draw the pairs of enantiomers). If you believe that multiple products are formed in approximately equal amounts (hence neither is the major product), draw the structures of the products, and show the detailed mechanism of these reactions to justify the formation of the multiple products. If you believe no product is formed, explain why briefly. (6 mark for each, except f and g, which are 10 mark each)

Answer 1

Question

Chapter 4, Problem 4.35EP

(a)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(b)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(c)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(d)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

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Identify the missing starting materials/ reagents/ products in the following reactions. Show the stereochemistry clearly in the structures, if any. If there is a major product, draw the structures of the major product with stereochemistry clearly indicated where applicable. Show only the diastereomers (you do not have to draw the pairs of enantiomers). If you believe that multiple products are formed in approximately equal amounts (hence neither is the major product), draw the structures of the products, and show the detailed mechanism of these reactions to justify the formation of the multiple products. If you believe no product is formed, explain why briefly. (6 mark for each, except f and g, which are 10 mark each)

3. What starting material would you use to synthesize 3-hydroxypentanoic acid using a NaBH4 reduction?

1. Give stereochemical (Fischer projection) formulas for all (but no extras) the stereoisomers that could theoretically form during the reduction of a. the carbonyl group of 2-methyl-3--pentanone b. both carbonyl groups of 2,4-pentanedione (careful!) 2. Predict the products of the reduction of O=CCH2CH2CH2C=O with a. LiAlH4 b. NaBH4 CH3 OH

Answer 2

Question

Chapter 4, Problem 4.35EP

(a)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(b)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(c)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(d)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

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Answer 3

Question

Chapter 4, Problem 4.35EP

(a)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(b)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(c)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(d)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

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Answer 4

Question

Chapter 4, Problem 4.35EP

(a)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(b)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(c)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(d)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

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Answer 5

Chapter 4, Problem 4.35EP

(a)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(b)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(c)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

(d)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

Answer 6

Chapter 4, Problem 4.35EP

(a)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

Answer 7

Chapter 4, Problem 4.35EP

(a)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

Answer 8

(b)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

Answer 9

(b)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

Answer 10

(c)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

Answer 11

(c)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

Answer 12

(d)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

Answer 13

(d)

Interpretation Introduction

Interpretation:

For the given ketone IUPAC name has to be assigned.

Concept Introduction:

For naming a ketone in IUPAC nomenclature, the suffix “-one” is added to the parent alkane name.

IUPAC rules for naming a ketone:

• The longest parent carbon chain is identified that includes the carbonyl group.

• The parent chain name is changed by replacing the suffix “-e” with “-one”.

• Numbering is done in a way that the carbonyl group gets the least numbering. The position of the carbonyl group is indicated in the name.

• The identity and location of substituents if any has to be determined and this information has to be added in front of the IUPAC name.

• Cyclic ketones are named by adding the suffix “-one” to the name of the carbon ring. The substituents are numbered so that it gets the least numbering starting from the carbonyl group that is given the number 1.

In a line-angle structural formula, carbon atom is present in the point where the lines intersect and the end point.

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Ch. 4.1 - Prob. 1QQ Ch. 4.1 - Prob. 2QQ Ch. 4.2 - Prob. 1QQ Ch. 4.2 - Prob. 2QQ Ch. 4.2 - Prob. 3QQ Ch. 4.3 - Prob. 1QQ Ch. 4.3 - Prob. 2QQ Ch. 4.3 - Prob. 3QQ Ch. 4.4 - Prob. 1QQ Ch. 4.4 - Prob. 2QQ

Solution Summary: The author explains IUPAC rules for naming a ketone by adding the suffix "-one" to the parent alkane name.

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